Home / 49,421.30-74,117.55-17,827.70

Finding the Fourth Proportional to 49,421.30, 74,117.55 and 17,827.70

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Solution

The fourth proportional to 49,421.30, 74,117.55 and 17,827.70 is: 26,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,421.30 : 74,117.55 = 17,827.70 : x
  2. Step 2: Convert to fraction form
    49,421.30/74,117.55 = 17,827.70/x
  3. Step 3: Cross multiply
    49,421.30x = 74,117.55 × 17,827.70
  4. Step 4: Simplify right side
    49,421.30x = 1,321,345,446.14
  5. Step 5: Solve for x
    x = 1,321,345,446.14/49,421.30
  6. Step 6: Final answer
    x = 26,736.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.